/*
 * Copyright (c) 2024, Alibaba Cloud;
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.aliyun.dataworks.common.spec.parser;

import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.Stream;

/**
 * Define a parser for domain classes
 *
 * @author yiwei.qyw
 * @date 2023/7/4
 */
public interface Parser<T> {
    /**
     * Define methods for parsing context
     *
     * @param rawContext        Raw context
     * @param specParserContext Context processor
     * @return return a domain object
     */
    T parse(Map<String, Object> rawContext, SpecParserContext specParserContext);

    /**
     * Get parser by this type
     *
     * @return json key
     */
    default String getKeyType() {
        return null;
    }

    default Set<String> getKeyTypes() {
        return Stream.of(getKeyType()).filter(Objects::nonNull).collect(Collectors.toSet());
    }
}